among them, our own jodi hernandez. vicky nguyen joins us to show up the first hundred-close ground video. to see it is just stunning. >> reporter: absolutely, jessica. jodi and the photographer were on the first crew on the ground. they had about 30 minutes to survey the scene firsthand. as jodi said, it's unlike she's ever seen in 20 years of reporting. >> as we walked down that street, it changed from a normal neighborhood to a nuclear zone. >> reporter: reporter jodi hernandez giving her account of what it looks like in this san bruno neighborhood 24 hours after the explosion that killed four people and injured 52 others. >> huge chunk of pipe. it was about 25 feet long. and 30 inches wide. it blew out of the ground and blasted at least 75 feet, landing right in the middle of the street. this huge piece of pipe. imagine the force that it took. and the people who lived right there, that crater is in their front yard. >> you're a reporter. in the other sense, you're a mother of two and you're a family and imagining wh